How severe is CVE-2025-57086?

CVE-2025-57086 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-57086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57086?

CVE-2025-57086 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57086?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-57086 have an EU (EUVD) identifier?

Yes. CVE-2025-57086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27414.

When was CVE-2025-57086 published?

CVE-2025-57086 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-57086

CVE-2025-57086 is a high-severity vulnerability in Tenda W30e Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27414
Weakness: CWE-121
Affected product: Tenda W30e Firmware
Published: 2025-09-09
Last modified: 2026-06-17

Description

Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the String parameter in the formDeleteMeshNode function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Frequently asked questions

What is CVE-2025-57086?: Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the String parameter in the formDeleteMeshNode function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
How severe is CVE-2025-57086?: CVE-2025-57086 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-57086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57086?: CVE-2025-57086 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57086?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-57086 have an EU (EUVD) identifier?: Yes. CVE-2025-57086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27414.
When was CVE-2025-57086 published?: CVE-2025-57086 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://github.com/vulnDetailRecord/VulforDevice/blob/main/Tenda/W30E/formDeleteMeshNode.md

Affected products (1)

cpe:2.3:o:tenda:w30e_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tenda W30e Firmware

CVE-2026-38835 — Critical (CVSS 9.8): Tenda W30E V2.0 V16.01.0.21 was found to contain a command injection vulnerability in the formSetUSBPartitionUmount…
CVE-2026-24436 — Critical (CVSS 9.8): Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account…
CVE-2026-24429 — Critical (CVSS 9.8): Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) ship with a predefined default password…
CVE-2025-57085 — Critical (CVSS 9.8): Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17 parameter in the UploadCfg…
CVE-2024-32286 — Critical (CVSS 9.8): Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via the page parameter in the…
CVE-2023-49411 — Critical (CVSS 9.8): Tenda W30E V16.01.0.12(4843) contains a stack overflow vulnerability via the function formDeleteMeshNode.

All CVEs affecting Tenda W30e Firmware →

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

CVE-2026-12848 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12847 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12846 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12485 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-37541 — Critical (CVSS 10.0): Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length…
CVE-2026-42996 — Critical (CVSS 10.0): JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of…

Browse all CWE-121 (Stack-based Buffer Overflow) vulnerabilities →